[Bug]: Loops don't work in threads in initscript, switches

[Narre]

Current master version (27 Jan 2025)
LMDE6 64bit

I discovered this while examining #3190. When creating a thread with a while loop in the init script or a switch in the editor, the thread would just stop existing.

Putting this in the init script, only the first print actually prints anything, the loop just doesn't happen. When doing this in an external file that is then imported in the init script/switch, it works as expected.